math i need help please

solve the equation
x+13=-8
a.21
b.-21
c.5
d.-5

  1. 👍
  2. 👎
  3. 👁
  1. x+13=-8

    x = -13 - 8
    x = ?

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. algebra

    (1) Is the equation true false or open? 9p + 8 = 10p + 7 A. open;there is a variable ***** B. true;the expressions are all the same for all values of the variiables C. false;the expressions are never the same (12) Which equation

  2. math

    (1)Is the Equation true, false, or open? 4y + 8 = 6y + 3 A. True; the expressionas are the same for all values of variables B. False; the expressions are never the same ****** C. Open; there is a varible (12)Which equation is an

  3. Math check please

    1. Solve the system of equations y=2x^2-3 y=3x-1 a)no solution b)(-1/2,5),(2,-5/2) c)(-1/2,-5/2),(2,5)**** d)(1/2,5/2),(2,5) 2. How many real number solutions are there to the equation 0=-3x^2+x-4? a)0 ***** b)1 c)2 d)3 3.solve

  4. Math

    Solve the equation. 3x - 3 = -18 A. x = -7 B. x = -5 C. x = -3 D. x = 5 2. Solve the equation. r/2 - 6 = 14 A. r = 40 B. r = 34 C. r = 20 D. r = 16 3. Solve the equation. 12 + 4m = 24 A. m = 9 B. m = 8 C. m = 3 D. m = -6 There are

  1. How do I do this.?(Math.)

    Use the Substitution method to solve the system of equations. y - 2x = -5 3y - x = 5 Solve one of the equations for x or y. Let's solve the first one for y: y - 2x = -5 y = 2x - 5 Now let's substitute 2x - 5 for y in the second

  2. MATH PLEASE HELP

    1) -5g-6 for g = -2 2) Write an algebraic expression for the sum of 3 Coins and c Coins 3) What Value of x is a solution to the equation? x-2 = 16 4) use mental math to solve the equation. z/-12 = -5 5) estimate the solution of

  3. Math coin riddle need help please

    I have 56 coins consisting of nickels and quarters. The total value of the coins is $5.60. How many of each coin do I have? Algebra to the rescue... NN is number of nickles ND is the number of quarters. NN*.05 + ND*.25=$5.60 but

  4. algebra

    1. Solve the equation. –9v – 5 = –95 (1 point) 17 11 10 –10 2. Solve the equation. w over four – 4 = 3 (1 point) –4 28 3 11 3. Solve the equation. p over five + 6 = 10 (1 point) 44 30 20 –20 4. Solve the equation.

  1. math

    Solve the following differential equation algebraically dy/dx = xy^2 + 4x y(0) = 0 I reached the point dy/(y^2+4) = xdx but I don't know how to solve the left side of the equation.

  2. math

    What is the first step in solving the linear system {2x−3y=11 {−x+5y=−9 by the substitution method in the most efficient way? A. Solve the first equation for x. B. Solve the first equation for y. C. Solve the second equation

  3. Algebra

    To solve the system of equations, which expression could be substituted for x into the first equation? 3x-5y=14 x+4y=10 a)10-4y b)4y+10 c)(1/4)x+(5/2) d)(-1/4)x+(5/2) I have another problem just like this one so if you could

  4. Algebra

    I have a few questions that I need help with. Solve the radical equation, and check all proposed solutions. 5. x- square root 3x-2=4 I don't understand this problem. Solve and check the equation. 10. (x^2+14x+49)^3/4-20=7 would I

You can view more similar questions or ask a new question.